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55003132 = 2271293661
BaseRepresentation
bin1101000111010…
…0011111111100
310211111110010001
43101310133330
5103040100012
65242524044
71235342662
oct321643774
9124443101
1055003132
1129058738
1216506624
13b51a742
14743ac32
154c67357
hex34747fc

55003132 has 24 divisors (see below), whose sum is σ = 98092512. Its totient is φ = 26980800.

The previous prime is 55003129. The next prime is 55003139. The reversal of 55003132 is 23130055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55003139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82882 + ... + 83542.

It is an arithmetic number, because the mean of its divisors is an integer number (4087188).

Almost surely, 255003132 is an apocalyptic number.

It is an amenable number.

55003132 is a deficient number, since it is larger than the sum of its proper divisors (43089380).

55003132 is a wasteful number, since it uses less digits than its factorization.

55003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 55003132 is about 7416.4096434865. The cubic root of 55003132 is about 380.3024646343.

Adding to 55003132 its reverse (23130055), we get a palindrome (78133187).

The spelling of 55003132 in words is "fifty-five million, three thousand, one hundred thirty-two".

Divisors: 1 2 4 71 142 284 293 586 661 1172 1322 2644 20803 41606 46931 83212 93862 187724 193673 387346 774692 13750783 27501566 55003132